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220110220220 = 225111408771023
BaseRepresentation
bin1100110011111110010…
…1110110101110111100
3210001010212012201110112
43030333211312232330
512101241204021340
6245041153525152
721621352000442
oct3147745665674
9701125181415
10220110220220
1185391532310
12367aa5737b8
13179aa7a8477
14a920c98b92
155ad3c13065
hex333f976bbc

220110220220 has 48 divisors (see below), whose sum is σ = 504295400448. Its totient is φ = 80033271360.

The previous prime is 220110220199. The next prime is 220110220223. The reversal of 220110220220 is 22022011022.

It is a junction number, because it is equal to n+sod(n) for n = 220110220195 and 220110220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220110220223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3063629 + ... + 3134651.

It is an arithmetic number, because the mean of its divisors is an integer number (10506154176).

Almost surely, 2220110220220 is an apocalyptic number.

220110220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220110220220 is an abundant number, since it is smaller than the sum of its proper divisors (284185180228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220110220220 is a wasteful number, since it uses less digits than its factorization.

220110220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85130 (or 85128 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220110220220 its reverse (22022011022), we get a palindrome (242132231242).

The spelling of 220110220220 in words is "two hundred twenty billion, one hundred ten million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 14087 28174 56348 70435 71023 140870 142046 154957 281740 284092 309914 355115 619828 710230 774785 781253 1420460 1549570 1562506 3099140 3125012 3906265 7812530 15625060 1000501001 2001002002 4002004004 5002505005 10005010010 11005511011 20010020020 22011022022 44022044044 55027555055 110055110110 220110220220